Flight crew failed to comply with descent clearance altitude crossing restr.

Attributes
ACN	299422
Time
Date	199503
Day	Sat
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : dxo
State Reference	MI
Altitude	msl bound lower : 12000 msl bound upper : 21000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zob
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	cruise other descent other
Route In Use	arrival other enroute airway : zob
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Experience	flight time last 90 days : 210 flight time total : 4000 flight time type : 1500
ASRS Report	299422
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : commercial pilot : instrument
Events
Anomaly	altitude deviation : crossing restriction not met altitude deviation : undershoot non adherence : clearance
Independent Detector	other controllera
Resolutory Action	controller : issued new clearance other
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

ZOB gave, and we acknowledged, to cross polar at 12000 ft and 250 KIAS. Forgot about restr due to fatigue (fell asleep). Center asked if we could make polar restr with 10 DME to go. We replied negative.

Original NASA ASRS Text

Title: FLC FAILED TO COMPLY WITH DSCNT CLRNC ALT XING RESTR.

Narrative: ZOB GAVE, AND WE ACKNOWLEDGED, TO CROSS POLAR AT 12000 FT AND 250 KIAS. FORGOT ABOUT RESTR DUE TO FATIGUE (FELL ASLEEP). CTR ASKED IF WE COULD MAKE POLAR RESTR WITH 10 DME TO GO. WE REPLIED NEGATIVE.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.